Question

Find the angle bac of triangle abc whose vertices are (0,0) ,(cosA,sinA) and (-sinA,cosA)​

Answer 1

Answer:

There were more difficulties in finding the correct value of the parameter c. f(x) = acos(b(x − c)). 0 ≤ x ≤ 10 a ... Those who found the obtuse angle generally had no difficulty with part (b). C B. Â. 30∘. A B. C. = sinA ...